style: Prefer immutable objects

.rubocop.yml

@@ -16,3 +16,9 @@ Performance:
 
 Security:
  Enabled: true
+
+Style/FrozenStringLiteralComment:
+ Enabled: true
+
+Style/RedundantFreeze:
+ Enabled: true

Gemfile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 source "https://rubygems.org"
 
 git_source(:github) { |repo_name| "https://github.com/#{repo_name}" }

Rakefile

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 

bin/console

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "webauthn"

lib/webauthn.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "webauthn/validator"
 require "webauthn/version"
 
@@ -7,9 +9,9 @@
 
 module WebAuthn
  ES256_ALGORITHM = { type: "public-key", alg: -7 }.freeze
- RP_NAME = "web-server".freeze
- USER_ID = "1".freeze
- USER_NAME = "web-user".freeze
+ RP_NAME = "web-server"
+ USER_ID = "1"
+ USER_NAME = "web-user"
  CREATE_TYPE = "webauthn.create"
 
  def self.credential_creation_options

lib/webauthn/validator.rb

@@ -1,9 +1,11 @@
+# frozen_string_literal: true
+
 require "cbor"
 
 module WebAuthn
  class Validator
- AUTHENTICATOR_DATA_MIN_LENGTH = 37.freeze
- USER_PRESENT_BIT_POSITION = 0.freeze
+ AUTHENTICATOR_DATA_MIN_LENGTH = 37
+ USER_PRESENT_BIT_POSITION = 0
 
  def initialize(attestation_object:, client_data_bin:, original_challenge:)
  @attestation_object = attestation_object

lib/webauthn/version.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 module WebAuthn
  VERSION = "0.0.0"
 end

spec/spec_helper.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require "bundler/setup"
 require "webauthn"
 

spec/webauthn/validator_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe WebAuthn::Validator do
  it "return user-friendly error if no client data received" do
  validator = WebAuthn::Validator.new(

spec/webauthn_spec.rb

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe WebAuthn do
  it "has a version number" do
  expect(WebAuthn::VERSION).not_to be nil

webauthn.gemspec

@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 lib = File.expand_path("../lib", __FILE__)
 $LOAD_PATH.unshift(lib) unless $LOAD_PATH.include?(lib)
 require "webauthn/version"